See the wiki Troubleshooting page for how to resolve any problems we have anticipated.
If you have upgraded to Mojave (or later), and are having problems, start by toggling the Accessibility permissions off and on for Keyboard Maestro and Keyboard Maestro Engine. A bug in the Mojave upgrade process results in the Accessibility permissions appearing to be on, but not actually being on which leads to failures and confusion.
If you are finding a macro is not firing when you expect it to, or something weird is happening when you don't expect it to, or choose Help ➤ Interactive Help menu) to bring up an interactive assistance system which might help you narrow down the problem.
For more information about a specific Keyboard Maestro feature consult the Keyboard Maestro User Manual, post a question to the Keyboard Maestro Forum, visit the Keyboard Maestro web site or the Keyboard Maestro Wiki or contact us.
Generally the best place to ask about specific macros is the forum since there are many helpful people there and so you will get more varied and quicker answers.
While we are happy to help you learn how to use Keyboard Maestro, we cannot generally help with writing specific macros - use the forum for that.
We always respond to email, however email is no longer a guaranteed medium and spam filters can delete your message to us or our message to you. Messages sent using the feedback form will always get to us, emails sent to us will pretty much always get to us, but if you do not receive a response within one business day check your spam filters to see if they have trapped our reply. If you use the feedback form and want a reply, make sure you enter your email address!